merged branch hhamon/phpdoc (PR #738)

This PR was merged into the 1.0 branch.

Discussion
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Fixed typo in the ServiceProviderInterface interface PHPDoc block.

Commits
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8bf3f788 Fixed typo in the ServiceProviderInterface interface PHPDoc block.

src/Silex/ServiceProviderInterface.php

@@ -31,7 +31,7 @@ interface ServiceProviderInterface
     /**
      * Bootstraps the application.
      *
-     * This method is called after all services are registers
+     * This method is called after all services are registered
      * and should be used for "dynamic" configuration (whenever
      * a service must be requested).
      */